نتایج جستجو برای: 241

تعداد نتایج: 6429  

Journal: :Romanica Olomucensia 2021

El apodo es el apelativo que alguien se da o recibe viendo cĂłmo lo hace. Describe mejor a las personas sus apellidos y nombres ya orienta calificarlas fĂ­sica moralmente. Que estudiantes de una lengua extranjera atribuyan apodos en este idioma puede considerarse un elemento motivacional su aprendizaje, la vez denota actitud integradora hacia cultura meta. 181 español total 563 encuestados...

Journal: :IOP conference series 2022

Abstract For operational and quality control of ferrous metal ores, ionizing radiation sources are used, which main characteristics energy, activity half-life. The technological parameters the Americium-241, Thulium-170 Cadmium-109 have been compered, Americium-241 with an energy 60 keV a half-life 458 years has selected. Laboratory studies dependence integrated flux scattered gamma rays on con...

Journal: :Journal of experimental botany 2009
Enrico Doria Luciano Galleschi Lucia Calucci Calogero Pinzino Roberto Pilu Elena Cassani Erik Nielsen

A maize mutant defective in the synthesis of phytic acid during seed maturation was used as a tool to study the consequences of the lack of this important reserve substance on seed survival. Data on germinability, free iron level, free radical relative abundance, protein carbonylation level, damage to DNA, degree of lipid peroxidation, alpha- and gamma-tocopherol amount and antioxidant capacity...

Journal: :Annuaire 2021

Autorité religieuse de référence, estimée l’ensemble des savants sunnites toutes obédiences juridiques confondues, Ibn Ḥanbal (m. 241/855) dont le salafisme d’hier et d’aujourd’hui ne manque pas tirer sa légitimité en l’érigeant modèle piété, demeure l’un personnages les plus marquants l’histoire l’islam.

Introduction: Environmental and occupational human exposure from neutron source can lead to the serious biologic effects. The aim of this study is to evaluate the cancer incidence risk for various human organs at different neutron dose levels due to exposure from an Americium-241/Beryllium (Am-241/Be), a standard neutron source for calibration purposes. Material and Methods: We measured ambient...

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